The M240, which has been formally referred to as the United States Machine Gun, 7.62mm, M240, is within a series of medium machine guns, belt-fed, firing the 7.62 Ãƒâ€” 51 mm NATO cartridge (w/ M13 Link). The M240 is based on the Browning Automatic Rifle and the FN MAG machine gun.

The SOF Combat Assault Rifle, or SCAR, is made by Fabrique Nationale (FN) for the elite U.S. Special Operations Command (SOCOM). The SCAR is a modular rifle made to satisfy the unique and specific requirements of the SCAR competition.